Medical instrument for laboratory use



FIG. 1. is a top, right perspective view of a medical instrument for laboratory use showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken lines are included for the purpose of illustrating a portion of the medical instrument for laboratory use that forms no part of the claimed design. 

The ornamental design for a medical instrument for laboratory use, as shown and described. 